Handheld scopes are much more than most PC-based scopes and often more user friendly, with built in databases and testing procedures. The Vantage PRO, by Snap-On, is most likely the most popular and most capable of this handheld offerings out right. Cost, however, can be a factor for most, with the PRO 2-channel costing easily many PC-based 4-channel merchandise. The key is actually in how…